<template>
    <div class="app-container">
  
      <!-- 工具条 -->
      <div class="tools-div">
        <el-button type="success" icon="el-icon-plus" size="mini" @click="add()">添 加</el-button>
      </div>
      <el-table
        :data="sysDeptList"
        style="width: 100%;margin-bottom: 20px;margin-top: 10px;"
        row-key="id"
        border
        :default-expand-all="false"
        :tree-props="{children: 'children'}">
  
        <el-table-column prop="name" label="部门名称" width="160"/>
        <el-table-column prop="leader" label="领头" width="160"/>
        <el-table-column prop="phone" label="联系方式" width="160"/>
        <el-table-column label="状态" width="100">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.status === 1"
              @change="$event => switchStatus(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column prop="createTime" label="创建时间" width="160"/>
        <el-table-column prop="createTime" label="创建时间" width="160"/>
        <el-table-column label="操作" width="180" align="center" fixed="right">
          <template slot-scope="scope">
            <el-button type="success" v-if="scope.row.type !== 2" icon="el-icon-plus" size="mini" @click="add(scope.row)" title="添加下级节点"/>
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row)" title="修改"/>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除" :disabled="scope.row.children.length > 0"/>
          </template>
        </el-table-column>
      </el-table>
  
      <el-dialog :title="dialogTitle" :visible.sync="dialogVisible" width="40%" >
        <el-form ref="dataForm" :model="sysDept" label-width="150px" size="small" style="padding-right: 40px;">
          <el-form-item label="上级部门" v-if="sysDept.id === ''">
            <el-input v-model="sysDept.parentName" disabled="true"/>
          </el-form-item>
          <el-form-item label="菜单名称" prop="name">
            <el-input v-model="sysDept.name"/>
          </el-form-item>
          <el-form-item label="状态" prop="status">
            <el-radio-group v-model="sysDept.status">
              <el-radio :label="1">正常</el-radio>
              <el-radio :label="0">停用</el-radio>
            </el-radio-group>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
          <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  
  
  <script>
  import api from '@/api/system/sysDept'
  const defaultForm = {
    id: '',
    parentId: '',
    name: '',
    status: 1
  }
  export default {
    // 定义数据
    data() {
      return {
        sysDeptList: [],
        expandKeys: [], // 需要自动展开的项
  
        dialogTitle: '',
  
        dialogVisible: false,
        sysDept: defaultForm,
        saveBtnDisabled: false
      }
    },
  
    // 当页面加载时获取数据
    created() {
      this.fetchData()
    },
  
    methods: {
      // 调用api层获取数据库中的数据
      fetchData() {
        console.log('加载列表')
        api.findNodes().then(response => {
          this.sysDeptList = response.data
          console.log(this.sysDeptList)
        })
      },
  
      // 根据id删除数据
      removeDataById(id) {
        // debugger
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => { // promise
          // 点击确定，远程调用ajax
          return api.removeById(id)
        }).then((response) => {
          this.fetchData()
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
        }).catch(() => {
           this.$message.info('取消删除')
        })
      },
  
      // -------------
      add(row){
        this.dialogTitle = '添加下级节点'
        this.dialogVisible = true
  
        this.sysDept = Object.assign({}, defaultForm)
        this.sysDept.id = ''
        if(row) {
          this.sysDept.parentId = row.id
          this.sysDept.parentName = row.name
        } else {
          this.dialogTitle = '添加目录节点'
          this.sysMenu.parentId = 0
        }
      },
  
      edit(row) {
        debugger
        this.dialogTitle = '修改节点'
        this.dialogVisible = true
  
        this.sysDept = Object.assign({}, row)
      },
  
      saveOrUpdate() {
        this.$refs.dataForm.validate(valid => {
          if (valid) {
            this.saveBtnDisabled = true // 防止表单重复提交
            if (!this.sysDept.id) {
              this.saveData()
            } else {
              this.updateData()
            }
          }
        })
      },
  
      // 新增
      saveData() {
        console.log(this.sysDept)
        api.save(this.sysDept).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData(this.page)
        })
      },
  
      // 根据id更新记录
      updateData() {
        api.updateById(this.sysDept).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData()
        })
      },

      switchStatus(row) {
        row.status = row.status === 1 ? 0 : 1
        api.updateStatus(row.id, row.status).then(response => {
          if (response.code) {
            this.$message.success(response.message || '操作成功')
            this.dialogVisible = false
            this.fetchData()
          }
        })
      }
    }
  }
  </script>